Dr. Tapas Chatterjee
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Mathematics
Phone No. +911881232306
Room No. C-M23, SAB
Dr. Tapas Chatterjee is an Associate Professor in the Department of Mathematics at IIT Ropar. Dr. Tapas Chatterjee obtained his Doctoral degree from the Institute of Mathematical Sciences, Chennai, India. After obtaining his Doctoral degree Dr. Chatterjee joined as a Post-Doctoral Fellow in the Department of Mathematics & Statistics at Queen's University, Kingston, Canada. Dr. Chatterjee was also a visiting researcher at the Institute for Computational and Experimental Research in Mathematics (ICERM, Brown University). Dr. Chatterjee was a Visiting professor at the Universite Pierre et Marie Curie, University of Paris VI, France during May-June, 2017, a Visiting professor at the Nagoya University, Nagoya, Japan during June-July, 2018 and also a visiting professor at the Sorbonne University, Paris, France during June-July 2019. Dr. Chatterjee's research is focused on various topics in Number Theory. For Summer Internship visit http://www.iitrpr.ac.in/summer-internship.
Ph.D. Students
1) Suraj Singh Khurana (Thesis defended on October 4, 2019) (Currently Assistant Professor at SRM University)
2) Dheeraj Kumar Sharma (Thesis defended on November 11, 2019 from NIT Kurukshetra) (Currently Assistant Professor at NIT Kurukshetra)
3) Sonika Dhillon (Thesis defended on May 7, 2021) (Currently a NBHM Post-Doctoral fellow at ISI Delhi)
4) Ayantika Laha (Thesis defended on April 26, 2024) (Currently Post-Doctoral fellow at IIT Palakkad)
5) Sonam Garg (Thesis defended on March 22, 2024) (Currently Post-Doctoral fellow at IMSc Chennai)
6) Palak Narula (Ongoing)
7) Karishan Kumar (Ongoing)
8) Priya Jain (Ongoing)
9) Suvajit Ghosh (Ongoing)
10) Sachin Yadav (Ongoing)
Post-Doctoral Fellows:
1) Khyati Khurana
2025
29. Tapas Chatterjee and Ayantika Laha "A note on cyclic MDS and non-MDS matrices," To appear in Cryptography and Communications.
28. Tapas Chatterjee and Sonika Dhillon, SPECIAL VALUES OF DERIVATIVES OF CERTAIN $L$-FUNCTIONS , to appear in the Journal of the Ramanujan Mathematical Society.
27. Tapas Chatterjee and Ayantika Laha "A note on MDS property of circulant Matrices," To appear in the Journal of Discrete Mathematical Sciences & Cryptography.
26. Tapas Chatterjee and Sonam Garg, Algebraic identities among $q$- analogues of Euler double zeta values, Journal of the Ramanujan Mathematical Society, 40, No. 2 (2025), 95--106.
25. Tapas Chatterjee and Takao Komatsu, Frobenius numbers associated with Diophantine triples of $x^2+3 y^2=z^3$, Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales. Series A. Matematicas, RACSAM, 119, No. 63 (2025).
2024
24. Tapas Chatterjee and Sonam Garg, Transcendental nature of p -adic digamma values, Research in Number Theory, 10(2024),no. 4, Paper No. 79, 19 Pages, DOI: 10.1007/s40993-024-00570-1.
23. Tapas Chatterjee and Sonam Garg, On Arithmetic Nature of a q-Euler-Double Zeta values, Proceedings of American Mathematical Society, 152, (2024), 1661--1672.
2023
22. Tapas Chatterjee and Ayantika Laha "A note on Semi-Orthogonal (G-Matrix) and Semi-Involutory MDS Matrices," Finite Fields and Their Applications, 92 (2023), 22 PP.
21. Dheeraj Kumar Sharma, Rajoo Pandey and Tapas Chatterjee, Probabilistic algebraic attack on plantlet lightweight stream cipher, Sadhana, 48, (2023), no 4, 12 pp.
20. Tapas Chatterjee and Sonam Garg, On q-Analogue of Euler-Stieltjes constants, Proceedings of
American Mathematical Society, vol 151, no. 5 (2023), 2011-2022.
2022
19. Tapas Chatterjee, Ayantika Laha and S. K. Sanadhya, "On the Structure of Format Preserving Sets in the Diffusion Layer of Block Ciphers," IEEE Transactions on Information Theory, vol. 68,
no. 12, pp. 8268-8279, Dec. 2022, doi: 10.1109/TIT.2022.3187407.
18. Tapas Chatterjee and Sonika Dhillon, A note on a variant of a conjecture of Rohrlich, Mathematika, 68 (2022), no. 2, 400–415.
17. Tapas Chatterjee and Sonika Dhillon, On a conjecture of Murty-Saradha about digamma values, Monatshefte fur Mathematik, 199, No. 1 (2022) 23–43.
2021
16. Tapas Chatterjee and S. S. Khurana, A series representation of Euler-Stieltjes constants and an identity of Ramanujan, Rocky Mountain Journal of Mathematics, Volume 52 (2022), No. 1, 49–64.
2020
15. Tapas Chatterjee and Sonika Dhillon, Linear Independence of Harmonic Numbers over the field of Algebraic Numbers II, Ramanujan Journal Springer, 52 (2020) 555-580, DOI: 10.1007/S11139-019-00183-8.
14. Tapas Chatterjee and Sonika Dhillon, Linear independence of logarithms of cyclotomic numbers and a conjecture of Livingston, Canadian Math. Bull, 63 (2020) no. 1, 31-45, DOI:10.4153/S0008439
519000468.
13. Tapas Chatterjee and Sonika Dhillon, Linear Independence of Harmonic Numbers over the field of Algebraic Numbers, Ramanujan Journal Springer, 51 (2020) 43-66, DOI:10.1007/s11139-018-0124-6.
2019
12. Tapas Chatterjee and S. S. Khurana, Shifted Euler constants and a generalization of Euler-Stieltjes constants, Journal of Number Theory, 204 (2019), 185-210, DOI: 10.1016/j.jnt.2019.04.001.
11. Tapas Chatterjee and S. S. Khurana, Erdosian functions and an identity of Gauss, Proceedings of the Japan Academy, Ser. A., 95 (2019), no. 6, 59--63.
10. Tapas Chatterjee and S. S. Khurana, A note on generalizations of Stieltjes constants, Journal of the Ramanujan Mathematical Society, 34, No, 4, (2019), 457--468.
2018
9. Tapas Chatterjee, M. Ram Murty, and Siddhi Pathak, A VANISHING CRITERION FOR DIRICHLET SERIES WITH PERIODIC COEFFICIENTS, Contemporary Mathematics, AMS Proceedings, 701, 2018, 69–80.
2017
8. Kuldeep Kaur, Manju Khan, and Tapas Chatterjee, A note on normal complement problem, Journal of Algebra and its Applications, 16, 1750011 (2017)[pdf]
2015
7. Tapas Chatterjee, Sanoli Gun, and Purusottam Rath, A Number field extension of a question of Milnor, Contemporary Mathematics, AMS Proceedings, 655 (2015), 15--26.
6. Tapas Chatterjee and M. Ram Murty, On a conjecture of Erd\"{o}s and certain Dirichlet series, Pacific Journal of Mathematics 275-1 (2015), 103--113.[pdf]
2014
5. Tapas Chatterjee and Sanoli Gun, On the zeros of Generalized Hurwitz zeta functions, Journal of Number Theory, 145, (2014), 352--361. [pdf]
4. Tapas Chatterjee and M. Ram Murty, Non-vanishing of Dirichlet series with periodic coefficients, Journal of Number Theory, 145, (2014), 1--21.[pdf]
3. Tapas Chatterjee and Sanoli Gun, The Digamma function, Euler-Lehmer constants and their $p$-adic counterparts, Acta Arithmetica. 162(2014), 2, 197-208.[pdf]
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2012
2. Tapas Chatterjee, The Strong Chowla-Milnor spaces and a conjecture of Gun, Murty and Rath, Int. J. Number Theory, (8) (5), (2012), 1301-1314.[pdf]
1. Tapas Chatterjee, On The Dimension Of Chowla-Milnor Space, Proc. Indian Acad. Sci. Math. Sci., (122) (3), (2012), 313-317.[pdf]
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